diff options
Diffstat (limited to 'include/asm-arm/arch-netx/pfifo.h')
| -rw-r--r-- | include/asm-arm/arch-netx/pfifo.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/include/asm-arm/arch-netx/pfifo.h b/include/asm-arm/arch-netx/pfifo.h new file mode 100644 index 000000000000..4af2ee4a32c1 --- /dev/null +++ b/include/asm-arm/arch-netx/pfifo.h | |||
| @@ -0,0 +1,54 @@ | |||
| 1 | /* | ||
| 2 | * include/asm-arm/arch-netx/pfifo.h | ||
| 3 | * | ||
| 4 | * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix | ||
| 5 | * | ||
| 6 | * This program is free software; you can redistribute it and/or modify | ||
| 7 | * it under the terms of the GNU General Public License version 2 | ||
| 8 | * as published by the Free Software Foundation. | ||
| 9 | * | ||
| 10 | * This program is distributed in the hope that it will be useful, | ||
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 13 | * GNU General Public License for more details. | ||
| 14 | * | ||
| 15 | * You should have received a copy of the GNU General Public License | ||
| 16 | * along with this program; if not, write to the Free Software | ||
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 18 | */ | ||
| 19 | |||
| 20 | |||
| 21 | #ifndef ASM_ARCH_PFIFO_H | ||
| 22 | #define ASM_ARCH_PFIFO_H | ||
| 23 | |||
| 24 | static inline int pfifo_push(int no, unsigned int pointer) | ||
| 25 | { | ||
| 26 | writel(pointer, NETX_PFIFO_BASE(no)); | ||
| 27 | return 0; | ||
| 28 | } | ||
| 29 | |||
| 30 | static inline unsigned int pfifo_pop(int no) | ||
| 31 | { | ||
| 32 | return readl(NETX_PFIFO_BASE(no)); | ||
| 33 | } | ||
| 34 | |||
| 35 | static inline int pfifo_fill_level(int no) | ||
| 36 | { | ||
| 37 | |||
| 38 | return readl(NETX_PFIFO_FILL_LEVEL(no)); | ||
| 39 | } | ||
| 40 | |||
| 41 | static inline int pfifo_full(int no) | ||
| 42 | { | ||
| 43 | return readl(NETX_PFIFO_FULL) & (1<<no) ? 1 : 0; | ||
| 44 | } | ||
| 45 | |||
| 46 | static inline int pfifo_empty(int no) | ||
| 47 | { | ||
| 48 | return readl(NETX_PFIFO_EMPTY) & (1<<no) ? 1 : 0; | ||
| 49 | } | ||
| 50 | |||
| 51 | int pfifo_request(unsigned int pfifo_mask); | ||
| 52 | void pfifo_free(unsigned int pfifo_mask); | ||
| 53 | |||
| 54 | #endif /* ASM_ARCH_PFIFO_H */ | ||
